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[156.151.31.85]) by mx.google.com with ESMTPS id z62si1883128yba.9.2019.03.15.13.59.10 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 15 Mar 2019 13:59:10 -0700 (PDT) Received-SPF: pass (google.com: domain of daniel.m.jordan@oracle.com designates 156.151.31.85 as permitted sender) client-ip=156.151.31.85; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2018-07-02 header.b=pFm6fjQw; spf=pass (google.com: domain of daniel.m.jordan@oracle.com designates 156.151.31.85 as permitted sender) smtp.mailfrom=daniel.m.jordan@oracle.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x2FKx1h0046094; Fri, 15 Mar 2019 20:59:06 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=corp-2018-07-02; bh=WIHZ68eIEhQn/ZXc0eoyLeJRbce8uJxo/rZHur5TnXk=; b=pFm6fjQwlkUmSbi7EudQD0luLd5BgOiW2iiAOIwCb39bH6TtTnwfPa9WyaQAEQyO8Lpb ZcE1VvHu5wh6O1GiG7q0nnVOMRYYU3s0NvO3nK7cbAPmhGwR24SC/9BsRDG4Wjr4vdSa T0q9Ettu4pxUbe8k1T9IW8beut0flGMM35AccQS+vF5THjMxgAZE0UpMqq/hACGH4sY+ Ea9TI16OxHtk6Ogw2PzlBx+3uCtgVvAV6EIWuM4Rc7FzE+J5QHU0iL1LmDKPpUplPkAI SoXevfFbwwYVvmbP3JX1nuc1cVZa7gCq7aShKKggSBLTQC6PTU+uOB8OuyARW0XaV0ok 7g== Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp2120.oracle.com with ESMTP id 2r464s0wfv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 15 Mar 2019 20:59:06 +0000 Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.14.4/8.14.4) with ESMTP id x2FKx5eZ004783 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 15 Mar 2019 20:59:05 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x2FKx3km005096; Fri, 15 Mar 2019 20:59:04 GMT Received: from ca-dmjordan1.us.oracle.com (/10.211.9.48) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 15 Mar 2019 20:59:03 +0000 Date: Fri, 15 Mar 2019 16:58:27 -0400 From: Daniel Jordan To: Mikhail Gavrilov Cc: linux-mm@kvack.org, mgorman@techsingularity.net, cai@lca.pw, vbabka@suse.cz Subject: Re: kernel BUG at include/linux/mm.h:1020! Message-ID: <20190315205826.fgbelqkyuuayevun@ca-dmjordan1.us.oracle.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180323-268-5a959c X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9196 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903150143 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Mar 12, 2019 at 10:55:27PM +0500, Mikhail Gavrilov wrote: > Hi folks. > I am observed kernel panic after updated to git commit 610cd4eadec4. > I am did not make git bisect because this crashes occurs spontaneously > and I not have exactly instruction how reproduce it. > > Hope backtrace below could help understand how fix it: > > page:ffffef46607ce000 is uninitialized and poisoned > raw: ffffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffff > raw: ffffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffff > page dumped because: VM_BUG_ON_PAGE(PagePoisoned(p)) > ------------[ cut here ]------------ > kernel BUG at include/linux/mm.h:1020! > invalid opcode: 0000 [#1] SMP NOPTI > CPU: 1 PID: 118 Comm: kswapd0 Tainted: G C > 5.1.0-0.rc0.git4.1.fc31.x86_64 #1 > Hardware name: System manufacturer System Product Name/ROG STRIX > X470-I GAMING, BIOS 1201 12/07/2018 > RIP: 0010:__reset_isolation_pfn+0x244/0x2b0 This is new code, from e332f741a8dd1 ("mm, compaction: be selective about what pageblocks to clear skip hints"), so I added some folks. Can you show $LINUX/scripts/faddr2line path/to/vmlinux __reset_isolation_pfn+0x244 ?